<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>phone</title>
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1"> -->
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no,maximum-scale=1.0,minimum-scale=1.0">
</head>
<body>
    <button>按钮</button>
</body>
</html>